<!doctype html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <h1>我是一个html5页面</h1>
    <p>老潘在讲混合开发</p>
    <img src="dog.png" width="200">
    <br/>
    <button onclick="selfOpenPhoto()">打开鸿蒙相册</button>\
    <br/>
    <button onclick="chenged()">修改p标签</button>
</body>
    <script>
        function chenged(){
            document.querySelector('p').innerHTML = 'Html自己执行修改'
        }
        function hongMeng(message="鸿蒙调用Html修改"){
            document.querySelector('p').innerHTML = message
            //'鸿蒙调用Html修改'
        }

        function selfOpenPhoto(){
                objName.objKey(10)
        }
    </script>
</html>